/Engine/Source/Runtime/MeshDescription/Public/MeshDescription.h
Return UV indices for this triangle for the given channel
[TArrayView](API\Runtime\Core\Containers\TArrayView)< [FUVID](API\Runtime\MeshDescription\FUVID) > GetTriangleUVIndices ( const [FTriangleID](API\Runtime\MeshDescription\FTriangleID) TriangleID, int32 UVChannel ) const